I 单项选择
1、— Mum, it is nice weather. I want to skate this afternoon.
— Don't you think the ice on the lake is too thin to _____ your weight?
A. stand B. bear C. catch D. take
2、I haven't seen you for a couple of days. What have you been up ______?
A. in B. to C. with D. for
3、I lived with my sister this summer and didn't have to pay rent. So I ______ save most of my salary.
A. could B. would C. was able to D. should
4、— The book isn't easy for Jack to understand, is it?
